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Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 1 Filed Jan. 9, 1951 INVENTOR. STEPHAN A. GRUB/CH BY GEM-r ATTORNEYS Jan.- 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 34 Sheets-Sheet 2 ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 54 Sheets-Sheet 3 Filed Jan. 9, 1951 FIG. /0.

FIG. 3.

INVENTOR.

STEPHAN GRUB/C ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 4.

Filed Jan. 9, 1951 INVENTOR. STEPHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 5 Filed Jan. 9, 1951 H .m R m .0\| w m A N EN &

ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 6 Filed Jan. 9, 1951 llll lll II! II III INVENTOR. STEPHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet '7 Filed Jan. 9, 1951 ATTORNEYS Jan. 31, 1956 s. A. GRUBICH 2,732,963

MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 54 Sheets-Sheet 8 5s 5 JNVENTOR.

5 TE PHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 sheets -sl leet 9 Filed Jan. 9, 1951 FIG. /3.

JNVENTOR.

STEPHAN A. GRUB/CH ATTORNEYS S. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS Jan. 31, 1956 54 Sheets-Sheet 10 Filed Jan. 9, 1951 INVENTOR. STE PHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s.. A. GRUBICH 2,732,963

MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 34 Sheets-Sheet ll STEPHAN A. GRUB/CH WuF JIaAAZ ATTORNEYS S- A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS Jan. 31, 1956 34 Sheets-Sheet 12 Filed Jan. 9, 1951 mi 6P1 JNVENTOR. STEPHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH 2,732,963

MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 4 Sheets-Sheet 13 FIG. /9.

INVENTOR.

5 TE PHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 54 Sheets-Shet 14 Filed Jan. 9, 1951 INVENTOR. STEPHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 15 Filed Jan. 9, 1951 IN V EN TOR.

STEPHAN A. GRUB/CH ATTORNEYS Jan. 31, 1956 s. A. GRUBICH MATERIAL DIGGING AND HANDLING APPARATUS 34 Sheets-Sheet 18 Filed Jan. 9, 1951 INVENTOR.

STEP/IAN 14. GRUB/CH w z/ T 3. mi

ATTORNEYS Jan. 31, 1956 s. A. GRUBICH 2,732,963

MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 GROUND LEVEL FIG. 24A.

54 Sheets-Sheet l9 INVENTOR.

STEPHAN A. GRUB/C H ATTORNEYS Jan. 31, 1956 s. A. GRUBICH 2,732,963

MATERIAL DIGGING AND HANDLING APPARATUS Filed Jan. 9, 1951 $4 Sheets-Sheet 2O g 8 k w g 8 I w 8 8 00 Q Q Q g 8 o B .9 5 Q I; lq \1 co m E3 5 Q) J k k no (\I q) I' N w g a! INVENTOR.

STEPHAN A. GRUB/CH diam, V-M

ATTORNEYS 

